Portable mirror for vehicles



FIG. 1 is a perspective view of a portable mirror for vehicles showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a right side elevation view thereof. 

The ornamental design for a portable mirror for vehicles, as shown. 